D-BA-0000304.14.5
Device configuration, system description Operating
instructions
OI-12
V05 / September 07, 2010
3.2.2.1 Serial Interface
COM 1 – RS232
The interface is provided as a complete RS232C.
D-Sub 9 pin (male)
Pin
Signal Description
1
DCD
Data Carrier Detect
2
RxD
Receive Data
3
TxD
Transmit Data
4
DTR
Data terminal ready
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
RI
Ring Indicator
Tab. 3: Pin assignment for RS232C